You could try mounting them on rugby shoulder pads (
https://www.rugbystore.co.uk/equipment/protective/shoulder-pads) either
directly or via some kind of magnetic mount if you want to wear a T shirt
or something over the pads.
Dave
On 14 June 2016 at 04:14, umashankar manthravadi <[email protected]>
wrote:
> I don’t remember reading ‘general metatheory’ . I am downloading it now.
>
> I have printed a pair of four headphone arrays, designed to sit on the
> shoulder about six inches from the ears. I have not figured out how to make
> a comfortable grip so they stay there. I am building them so I can provide
> them a cube signal from first order B format, and let head movements
> determine localization. Just to see how far it will go.
>
> umashankar
>
> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows 10
>
> From: Richard Lee<mailto:[email protected]>
> Sent: Tuesday, June 14, 2016 7:07 AM
> To: '[email protected]'<mailto:[email protected]>
> Subject: Re: [Sursound] Using Ambisonic for a live streaming VR project
>
> > The main mechanisms for disambiguating 'cones of confusion' (and this
> includes front-back reversals) are: pinnae effects (Batteau) and
> head-movements (Wallach) - so, without either of these mechanisms at play,
> one would expect directional ambiguity.
>
> You can test the relative importance of these for YOURSELF with the famous
> Malham / Van-Gogh Experiment
>
> http://www.ambisonia.com/Members/ricardo/PermAmbi.htm/#VanGogh.
>
> I still have some Diamond encrusted caps with optional Golden Pinnae but
> you need to pay in used bank notes. No Confederate money please.
>
> Michael came up with his rE & rV theories ... not by considering how to
> best replicate HRTFs bla bla .. but by asking ... "what information could
> the Mk1 Human Head (+ torso + processing inside + bla bla) possibly have
> available to determine localisation?"
>
> If youi perform the above experiment, you'll find the Moving Head cues are
> FAR more important than the Fixed Head cues (HRTFs bla bla).
>
> Where the HRTFs have the most significance is in the vertical plane. It's
> the different frequency response as a source moves off the horizontal plane
> that allows the Mk1 HH to process 'height'. But even then, Moving Head
> cues are far more unambiguous .. and don't require a priori knowledge of
> the source.
>
> If the HRTF cues break down completely (eg simulating a pair of coincident
> back to back cardioids as the crudest possible binaural decode), simulating
> the Moving Head cues (head tracking) lets the Mk1 HH decode all this
> without any problem, fuss or discomfort.
>
> > I would like a little more information on ?head movements?. I suspect
> all head movements are being treated as equal, and I have a theory that
> short rapid movements (like shaking the head) should be treated separately
> from movements that include the shoulders, or even the whole body. Short
> rapid movements of the eyeball have been studied and are well understood;
> without these small movements the visual field collapses completely. Does
> something similar happen for the aural field ?
>
> One of the more surprising things that Michael worked out is that the
> Moving Head localisation models gave the "same answers" regardless of
> whether they assumed you turned your whole body to face the source (eg
> Makita) .. or those that only allowed small involuntary head movements (eg
> Clark, Dutton & Vanderlyn IIRC)
>
> It's all there in his "General Metatheory .... " if you are prepared to
> study it and follow up the references. See especially the 'stereo'
> appendix.
>
> http://www.aes.org/e-lib/browse.cfm?elib=6827
>
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--
As of 1st October 2012, I have retired from the University.
These are my own views and may or may not be shared by the University
Dave Malham
Honorary Fellow, Department of Music
The University of York
York YO10 5DD
UK
'Ambisonics - Component Imaging for Audio'
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